Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-18 18:29Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
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2r² + 6r + 5 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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E = mc²
∂y/∂y = 3y
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
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\frac{2}{2} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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